Species list, Checklist of Order Polydesmida (Flat-backed Millipedes) for Allegheny County (Pennsylvania, USA)

Ants	Arachnids
Bees	Beetles
Booklice	Bugs
Bumblebees	Butterflies
Cicadas	Crane flies
Dragonflies	Earwigs
Flies	Isopods
Locusts	Mantises
Mayflies	Mosquitoes
Myriapods	Net-winged
Plant-parasitic	Scorpion flies
Termites	Wasps

Taxonomy & Distribution
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INSECTOIDGERENGDARK LIGHT

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Checklist for Order Polydesmida Pocock, 1887 (Flat-backed Millipedes)
and region Allegheny County (Pennsylvania, USA)

Class	Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes	13 17 17	Families Genera Species	Taxom
Subclass	Chilognatha Latreille, 1802	13 17 17	Families Genera Species	Taxom
Infraclass	Helminthomorpha Pocock, 1887	13 17 17	Families Genera Species	Taxom
Superorder	Merocheta Cook, 1895	4 6 7	Families Genera Species	Taxom
Order	Polydesmida Pocock, 1887 Flat-backed Millipedes	4 6 7	Families Genera Species	Taxom

List of families for Allegheny County
4 Families width 7 Species

Xystodesmidae Cook, 1895	Xystodesmid Millipedes	2	Species	Taxom
Paradoxosomatidae (Daday, 1889)		1	Species	Taxom
Platyrhacidae Pocock, 1895		1	Species	Taxom
Polydesmidae Leach, 1815	Flat Millipedes	3	Species	Taxom

Genera for Allegheny County
6 Genera with 7 Species

Melaphe Cook, 1968	1	Species	Taxom
Oxidus Cook, 1847	1	Species	Taxom
Platyrhacus Koch, 1899	1	Species	Taxom
Pleuroloma Rafinesque, 1820	1	Species	Taxom
Pseudopolydesmus Attems, 1821	2	Species	Taxom
Scytonotus Koch, 1821	1	Species	Taxom

Species list for Allegheny County
7 Species

Melaphe apamea Hoffman & Lo..., 1968
Oxidus gracilis (C. L. Koch, 1847)	⇒ Oxidus gigas Attems, 1953
Platyrhacus helophorus Attems, 1899
Pleuroloma flavipes Rafinesque, 1820	Barren milkvetch
Pseudopolydesmus canadensis Newport, 1844	Canadian Flat-Back Millipede
Pseudopolydesmus serratus Say, 1821	Common Pink Flat-Back Millipede
Scytonotus granulatus Say, 1821	Granulated Millipede

Subnodes of Polydesmida with occurrences in Allegheny County

Suborder	Chelodesmidea Cook, 1895	2 3 3	Families Genera Species	Taxom
Suborder	Paradoxosomatidea Daday, 1889	1 1 1	Family Genus Species	Taxom
Suborder	Polydesmidea Leach, 1815	1 2 3	Family Genera Species	Taxom

Links, sources and further information

Polydesmida at artfakta.se
Polydesmida at dyntaxa.se
Polydesmida at gbif.org
Polydesmida at irmng.org
Polydesmida at itis.gov